import book.BookList;
import user.AdminUser;
import user.NormalUser;
import user.User;

import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 30318
 * Date: 2023-05-21
 * Time: 11:05
 */
public class Main{

    //利用了向上转型 来确定此时是什么对象
    public static User login(){
        System.out.println("请输入你的姓名：");
        Scanner scanner = new Scanner(System.in);
        String userName = scanner.nextLine();
        System.out.println("请输入你的身份：1.-》管理员 0-》普通用户");
        int choice = scanner.nextInt();
        if(choice == 1){
            return new AdminUser(userName);
        }else{
            return new NormalUser(userName);
        }
    }

    public static void main(String[] args) {
        //0.准备数据
        BookList bookList = new BookList();
        //1.登录
        User user = login();//user这个引用 引用的对象可能不一样
        while(true){
            int choice = user.menu();//引用谁 调用就是谁的菜单
            user.doOperation(choice, bookList);
        }
    }
}